CN2897743Y - Trailer lock - Google Patents
Trailer lock Download PDFInfo
- Publication number
- CN2897743Y CN2897743Y CNU2006201031135U CN200620103113U CN2897743Y CN 2897743 Y CN2897743 Y CN 2897743Y CN U2006201031135 U CNU2006201031135 U CN U2006201031135U CN 200620103113 U CN200620103113 U CN 200620103113U CN 2897743 Y CN2897743 Y CN 2897743Y
- Authority
- CN
- China
- Prior art keywords
- lock
- hole
- trailer
- screw rod
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Lock And Its Accessories (AREA)
Abstract
The utility model relates to a lock device, in particular to a trailer lock, which comprises a screw (4), a lock column (3) and a lock body (8); wherein, a groove (6) is arranged on the screw (4); a through hole (13) is arranged on the lock column (3); the screw rod (4) goes through the through hole (13); a corresponding bolt hole (7) vertical to the groove (6) is arranged on the lock column (3); a tightening bolt (5) is arranged inside the bolt hole (7) for fastening the screw; one end of the lock body (8) is fixed with the lock column(5) by welding and a lock core (9) is arranged at the other end, and the lock core is connected with a tongue (11) which can cover the bolt hole (7). The utility model has the advantages of simple structure, flexible assembly and disassembly, convenient use, safety and reliability, thus avoiding the previous hidden dangers and improving the safety performance of trailers.
Description
Technical field
The utility model relates to a kind of lockset.
Background technology
Along with improving constantly of people's living standard, trailer is by general use.Trailer also is used to drag motorboat and factory made house etc. except dragging the automobile that casts anchor.Its structure is that the hollow connecting rod on the car in front is captiveed joint by screw rod with the hollow connecting rod on the trailer of back, and the automobile that casts anchor, motorboat and factory made house etc. place on the trailer.The defective of device is at present: as long as twist screw taking-up screw rod trailer is thrown off, thereby trailer is stolen, exist certain potential safety hazard.
Summary of the invention
In order to overcome above-mentioned technological deficiency, the purpose of this utility model provides a kind of easy to use, screw rod and is difficult for being removed trailer lock as safe as a house.
The technical solution of the utility model is: a kind of trailer lock is made of screw rod, lock and lock body; Described screw rod is provided with groove, and lock is provided with through hole, and screw rod passes through hole, also is provided with vertical with groove on the lock and cooresponding bolt hole, and the tight fixed bolt of standing screw is set in the bolt hole; Lock body one end and lock welding are fixing, and the other end is provided with lock core, and lock core is connected with the dead bolt that bolt hole can be covered.
By a kind of trailer lock of the technical solution of the utility model design-calculated, forms by screw rod, lock and lock body, adopt this structure after screw rod just can not taken out easily.This trailer lock is simple in structure, loading and unloading are flexible, easy to use, and is simultaneously safe and reliable, avoided original potential safety hazard fully, improved the safety performance of trailer.
Description of drawings
Fig. 1: structural representation of the present utility model;
Fig. 2: the structural representation of the utility model embodiment;
Fig. 3: the A-A cutaway view among Fig. 2;
Fig. 4: the scheme drawing of the utility model band automobile connecting bar and trailer connecting rod.
The specific embodiment
Be described in detail below in conjunction with Fig. 1-4 pair present embodiment.
A kind of trailer lock is used for automobile connecting bar 1 and trailer connecting rod 2 socket places, and fixing by screw rod 4 at socket place.Trailer screw rod lock is made of screw rod 4, lock 3 and lock body 8.Screw rod 4 is provided with groove 6, and lock 3 is provided with through hole 13, and screw rod 4 passes through hole 13, also is provided with on the lock 3 and groove 6 vertical and cooresponding bolts hole 7, and the tight fixed bolt 5 of standing screw 4 is set in the bolt hole 7.But automobile connecting bar 1 is provided with the breach 10 that lock bodies passes, lock body 8 one ends are fixing with lock 3 welding in automobile connecting bar 1, lock core 9 is set in the other end lock body 8, lock core 9 is connected with dead bolt 11, dead bolt 11 can slide up and down in lock body 8 inside, dead bolt 11 slides into the upper part of lock body 8 during locking, and bolt hole 7 is covered, and lock core 9 adopts existing common mode with dead bolt 11.
During use, trailer connecting rod 2, automobile connecting bar 1 are connected with lock 3, pack into screw rod 4 then, are screwed into tight fixed bolt 5 again, and last locking gets final product.
Claims (1)
1, a kind of trailer lock is characterized in that being made of screw rod (4), lock (3) and lock body (8); Described screw rod (4) is provided with groove (6), lock (3) is provided with through hole (13), screw rod (4) passes through hole (13), also is provided with vertical with groove (6) on the lock (3) and cooresponding bolt hole (7), and the tight fixed bolt (5) of standing screw (4) is set in the bolt hole (7); Lock body (8) one ends and lock (3) welding are fixing, and the other end is provided with lock core (9), and lock core (9) is connected with the dead bolt (11) that bolt hole (7) can be covered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201031135U CN2897743Y (en) | 2006-04-27 | 2006-04-27 | Trailer lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201031135U CN2897743Y (en) | 2006-04-27 | 2006-04-27 | Trailer lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2897743Y true CN2897743Y (en) | 2007-05-09 |
Family
ID=38073080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201031135U Expired - Lifetime CN2897743Y (en) | 2006-04-27 | 2006-04-27 | Trailer lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2897743Y (en) |
-
2006
- 2006-04-27 CN CNU2006201031135U patent/CN2897743Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070509 |
|
| EXPY | Termination of patent right or utility model |